Artman Rechargeable Lithium D Batteries 8 Pack, 9000mWh Rechargeable Lithium-ion D Cell Battery with 4 2-in-1 USB-C Charging Cable, 1.5V Batteries D Size for Floodlight Toys, Water Heater, Gas Stove

Customers find these rechargeable batteries convenient with their USB-C charging capability and appreciate their performance in high-drain gadgets like flashlights, automatic trash cans, toys, and gas appliances. The power output delivers consistent 1.5V voltage, and customers consider them good value for the price, with one noting they're an excellent alternative to disposable D cells. The battery life receives mixed feedback, with some reporting they work well for about a year while others find the charge lasts only 1/4 to 1/5 of expected time.